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  1. karimovic

    Best Book on Concrete Renovation

    guys, can you please refer me to a decent book on concrete buildings renovation? ( design and construction ) thanks a lotttt
  2. karimovic

    Cement grouting pressure

    Racookpe1978, during cavity probing campaign ( which is drilling boreholes into a 5x5m grid to locate probable cavities, and then grouting them ) we discovered cavities, the biggest one was composed of 2 cavities below each other, the first is 1.5meters in height, and then 20cm below it, we...
  3. karimovic

    Cement grouting pressure

    Ron, rock's strength is well higher than the grouting pressure advised by the contractor (20bar), i don't think lateral strength of rock is a major issue in this case.
  4. karimovic

    Cement grouting pressure

    miningman, thank you for the sharing your knowledge on this topic. can you please refer me to an article/code/paper that mentions the required pressure to be used? or is it as you said an art that isn't yet well scientifically researched?
  5. karimovic

    Cement grouting pressure

    *Correction: the contractor also says that a 1 bar (atmospheric) pressure is only sufficient to fill the drilled holes and NOT* to infiltrate into the ground and improve the soil.
  6. karimovic

    Cement grouting pressure

    hey everyone this is my first participation in here so hope u all be helpful I'm owrking on a project where the soil is weathered rock.. so no problem with bearing capacity or settlement.. but the problem is the existence of cavities.. one of the boreholes already identified a 1.2m thick...

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